Jamb Mathematics Past Questions For Year 1997

Question 11

Find the minimum value of \(x^2- 3x + 2\) for all real values of x

jamb 1997

  • A. -\(\frac{1}{4}\)
  • B. -\(\frac{1}{2}\)
  • C. \(\frac{1}{4}\)
  • D. \(\frac{1}{2}\)
View Answer and Explanation

Question 12

Make F the subject of the formula t = \(\sqrt{\frac{v}{\frac{1}{f} + \frac{1}{g}}}\)

jamb 1997

  • A. \(\frac{gv-t^2}{gt^2}\)
  • B. \(\frac{gt^2}{gv-t^2}\)
  • C. \(\frac{v}{\frac{1}{t^2} - \frac{1}{g}}\)
  • D. \(\frac{gv}{t^2 - g}\)
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Question 13

What value of g will make the expression 4\(x^2\)- 18xy + g a perfect square?

jamb 1997

  • A. 9
  • B. \(\frac{9y^2}{4}\)
  • C. 81\(y^2\)
  • D. \(\frac{18y^2}{4}\)
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Question 14

Find the value of k if \(\frac{5 + 2r}{(r + 1)(r - 2)}\) expressed in partial fraction is \(\frac{k}{r - 2}\) + \(\frac{L}{r + 1}\) where K and L are constants

jamb 1997

  • A. 3
  • B. 2
  • C. 1
  • D. -1
View Answer and Explanation

Question 15

Let f(x) = 2x + 4 and g(x) = 6x + 7 here g(x) > 0. Solve the inequality \(\frac{f(x)}{g(x)}\)

jamb 1997

  • A. x
  • B. x > - \(\frac{4}{3}\)
  • C. x > - \(\frac{3}{4}\)
  • D. x > - 12
View Answer and Explanation